#include <stdio.h>
int age(int n);
int main() 
{
    int n = 12;
    printf("Age is %d\n", age(n));
    return 0;
}
int age(int n) 
{
    int c;
    if (n == 1) 
	{
        c = 10;
    } 
	else 
	{
		c = age(n - 1) + 2;
    }
    return c;
}